Y10S 122/04
Once through boilers
Y10S122/04 (Once through boilers) appears on 7 US grants and 2 published applications in this corpus.
Search patents in Y10S- Granted patents
- 7
- Published applications
- 2
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 10 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Subcritical pressure high-temperature steam power plant and subcritical pressure high-temperature variable pressure operation once-through boiler10 Oct 2017US 9,784,137 B2Mitsubishi Hitachi Power Systems, Ltd.
- Fossil-fuel fired continuous-flow steam generator6 Apr 2004US 6,715,450 B1Siemens Aktiengesellschaft
- Fossil-fuel-fired once-through steam generator6 May 2003US 6,557,499 B2Siemens Aktiengesellschaft
- Once-through steam generator29 Jan 1991US 4,987,862 ASiemens Aktiengesellschaft
- Method of control of steam quality from a steam generator26 Jul 1988US 4,759,314 AThe Babcock & Wilcox Company
- Subcritical pressure high-temperature steam power plant and subcritical pressure high-temperature variable pressure operation once-through boiler1 May 2014US 2014/0116052 A1Babcock-Hitachi Kabushiki Kaisha
- Fossil-fuel-fired once-through steam generator31 Oct 2002US 2002/0157618 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Once-through steam generator22US 4,987,862 ASiemens Aktiengesellschaft · 1991
- Pressure staged heat exchanger16US 4,072,182 AInternational Power Technology, Inc. · 1978
- Method of control of steam quality from a steam generator12US 4,759,314 AThe Babcock & Wilcox Company · 1988
- Forced-flow once-through boiler for variable supercritical pressure operation8US 4,331,105 AMitsubishi Jukogyo Kabushiki Kaisha · 1982
- Fossil-fuel fired continuous-flow steam generator7US 6,715,450 B1Siemens Aktiengesellschaft · 2004